This document summarizes and compares the themes of suffering and isolation in the novels "The Old Man and the Sea" and "Life of Pi". It discusses the physical and mental suffering experienced by various characters in both novels, such as Santiago's age and struggle catching the marlin, and Pi's dehydration and inability to say goodbye to loved ones. It also analyzes the isolation of Santiago on the sea and Pi on the boat. The document concludes by citing two external sources used for references.